Whats-up With My 360?

I Have A Crate 360 Magnum In My 67 Dart,i Put Flowtech Headers On It, And They Hit Everything,steering Columm,torsion Bar,even My Back 2 Plug Wires Lay On The #2 Pipe,i Use To Have A 69 Gts 340 Never Had This Problem, Do You Have Flaten The Tubes Or Are There Differant Headers That Fit?(no Fenderwell Headers For Me,dont Want To Cut Car Up)whats Up?